Mastin, A., Brouwer, A., Fox, M., Craig, P., GuitiƔn, J., Li, W., & Stevens, K. (2011). Spatial and temporal investigation of Echinococcus granulosus coproantigen prevalence in farm dogs in South Powys, Wales. Veterinary Parasitology, 178(1-2), 100-107. https://doi.org/10.1016/j.vetpar.2010.11.049